[Libav-user] how to handle missing pts values to keep audio sync (mpegts->mp4)

Carl Eugen Hoyos cehoyos at ag.or.at
Thu Jul 18 11:15:12 CEST 2013

Patrick Fischer <pfischer at ...> writes:

> If i use the application ffmpeg i got also an async mp4:
> ffmpeg -i  ~/Videos/defekte_streams/asyncron_1.ts test.mp4
> ffmpeg version 0.8.6-6:0.8.6-0ubuntu0.12.10.1

You did not test FFmpeg but an intentionally 
broken version that contains several hundred 
known bugs and regressions not reproducible 
with FFmpeg, including some issues that are 
security-relevant. Please understand that 
we cannot support such versions here.

Please test current FFmpeg from 
http://ffmpeg.org/download.html and report 

If you want more information on why you are 
forced by your distribution to use a known 
to be broken version of FFmpeg, please read 

Carl Eugen

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